<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>实例</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<button v-bind:disabled="isButtonDisabled">Button</button>
</body>
</html>
<script type="application/javascript">
    //vm(View Model的缩写)
    var vm = new Vue({});
    //一个实例 可能包含 数据 和方法 Calcattribute
    var data = {a:1}

</script>